Largest one I've painted yet. Watercolor on 640 grs. Aquarelle Arches paper.22" x 32" One of the most luxurious papers I've ever used. Largest one I've painted yet. Watercolor on 640 grs. Aquarelle Arches paper. 22" x 32" One of the most luxurious papers I've ever used. The company has been around for over 500 years!I can't believe I had never used it before.